endoplasm

[en-duh-plaz-uh m]

noun Cell Biology.

the inner portion of the cytoplasm of a cell.Compare ectoplasm(def 1).

Nearby words

Origin of endoplasm

First recorded in 1880–85; endo- + -plasm

Related formsen·do·plas·mic, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for endoplasm

The general cytoplasm shows no differentiation into ectoplasm and endoplasm; it is uniformly alveolar in character.
Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5|Various
The endoplasm is finely granular; the œsophagus leading into it is very distinct.
Marine Protozoa from Woods Hole|Gary N. Calkins
Differentiation of ectoplasm and endoplasm distinct or wanting.
Marine Protozoa from Woods Hole|Gary N. Calkins
They possess a distinct membrane and an excentric nucleus, and contain numerous yellow pigment-granules in the endoplasm.
Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia)|Ernst Haeckel

This layer is designated the ectoplasm, as distinguished from the remainder of the cell contents, the endoplasm.
The Fundamentals of Bacteriology|Charles Bradfield Morrey

British Dictionary definitions for endoplasm

endoplasm

noun

cytology the inner cytoplasm in some cells, esp protozoa, which is more granular and fluid than the outer cytoplasmSee ectoplasm (def. 1)

Derived Formsendoplasmic, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for endoplasm

endoplasm

[ĕn′də-plăz′əm]

n.

A central, less viscous portion of the cytoplasm that is distinguishable in certain cells, especially motile cells and protozoa.

Related formsen′do•plas′mic adj.